**READ FIRST**
A tutorial on how to mod campaign and Spec Ops on Mw2 using a USB. The links to the programs you need are below:
WinRAR (MUST): http://download.cnet.com/WinRAR/3000-2250_4-10745708.html
Xtaf Xplorer: http://www.megaupload.com/?d=wqaa30qh
Modio: http://www.game-tuts.com/community/modio.php (RAR file)
How to do it:
1. Open Xtaf and find your gamesave Content- (Profile)- 41560817- 00000001- (save game)
2. Extract to your desktop
3. Open modio and open your save in Modern Warfare 2 modding tool
4. Change all the options you want
5. Save in inject back to where you extracted it from
6. YOU'RE DONE
Resume game and it will have all the mods. To use the mods in spec ops, save and quit your game then go into spec ops (some mods may be lost)